ScienceDaily: Astronomy News |
| Some astronauts at risk for cognitive impairment, animal studies suggest Posted: 23 Apr 2014 10:24 AM PDT Rats exposed to high-energy particles, simulating conditions astronauts would face on a long-term deep space mission, show lapses in attention and slower reaction times, even when the radiation exposure is in extremely low dose ranges, new research shows. The cognitive impairments — which affected a large subset, but far from all, of the animals — appear to be linked to protein changes in the brain, the scientists say. |
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